1 #ifndef _HAVE_LOGINREC_H_ 2 #define _HAVE_LOGINREC_H_ 3 4 /* 5 * Copyright (c) 2000 Andre Lucas. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /** 29 ** loginrec.h: platform-independent login recording and lastlog retrieval 30 **/ 31 32 #include "includes.h" 33 34 struct ssh; 35 36 /** 37 ** you should use the login_* calls to work around platform dependencies 38 **/ 39 40 /* 41 * login_netinfo structure 42 */ 43 44 union login_netinfo { 45 struct sockaddr sa; 46 struct sockaddr_in sa_in; 47 struct sockaddr_storage sa_storage; 48 }; 49 50 /* 51 * * logininfo structure * 52 */ 53 /* types - different to utmp.h 'type' macros */ 54 /* (though set to the same value as linux, openbsd and others...) */ 55 #define LTYPE_LOGIN 7 56 #define LTYPE_LOGOUT 8 57 58 /* string lengths - set very long */ 59 #define LINFO_PROGSIZE 64 60 #define LINFO_LINESIZE 64 61 #define LINFO_NAMESIZE 512 62 #define LINFO_HOSTSIZE 256 63 64 struct logininfo { 65 char progname[LINFO_PROGSIZE]; /* name of program (for PAM) */ 66 int progname_null; 67 short int type; /* type of login (LTYPE_*) */ 68 pid_t pid; /* PID of login process */ 69 uid_t uid; /* UID of this user */ 70 char line[LINFO_LINESIZE]; /* tty/pty name */ 71 char username[LINFO_NAMESIZE]; /* login username */ 72 char hostname[LINFO_HOSTSIZE]; /* remote hostname */ 73 /* 'exit_status' structure components */ 74 int exit; /* process exit status */ 75 int termination; /* process termination status */ 76 /* struct timeval (sys/time.h) isn't always available, if it isn't we'll 77 * use time_t's value as tv_sec and set tv_usec to 0 78 */ 79 unsigned int tv_sec; 80 unsigned int tv_usec; 81 union login_netinfo hostaddr; /* caller's host address(es) */ 82 #ifdef USE_WTMPDB 83 int64_t wtmpdb_id; /* ID for wtmpdb_logout */ 84 #endif 85 }; /* struct logininfo */ 86 87 /* 88 * login recording functions 89 */ 90 91 /** 'public' functions */ 92 93 /* construct a new login entry */ 94 struct logininfo *login_alloc_entry(pid_t pid, const char *username, 95 const char *hostname, const char *line); 96 /* free a structure */ 97 void login_free_entry(struct logininfo *li); 98 /* fill out a pre-allocated structure with useful information */ 99 int login_init_entry(struct logininfo *li, pid_t pid, const char *username, 100 const char *hostname, const char *line); 101 /* place the current time in a logininfo struct */ 102 void login_set_current_time(struct logininfo *li); 103 104 /* record the entry */ 105 int login_login (struct logininfo *li); 106 int login_logout(struct logininfo *li); 107 #ifdef LOGIN_NEEDS_UTMPX 108 int login_utmp_only(struct logininfo *li); 109 #endif 110 111 /** End of public functions */ 112 113 /* record the entry */ 114 int login_write (struct logininfo *li); 115 int login_log_entry(struct logininfo *li); 116 117 /* set the network address based on network address type */ 118 void login_set_addr(struct logininfo *li, const struct sockaddr *sa, 119 const unsigned int sa_size); 120 121 /* 122 * lastlog retrieval functions 123 */ 124 /* lastlog *entry* functions fill out a logininfo */ 125 struct logininfo *login_get_lastlog(struct logininfo *li, const uid_t uid); 126 /* lastlog *time* functions return time_t equivalent (uint) */ 127 unsigned int login_get_lastlog_time(const uid_t uid); 128 129 /* produce various forms of the line filename */ 130 char *line_fullname(char *dst, const char *src, u_int dstsize); 131 char *line_stripname(char *dst, const char *src, int dstsize); 132 char *line_abbrevname(char *dst, const char *src, int dstsize); 133 134 void record_failed_login(struct ssh *, const char *, const char *, 135 const char *); 136 137 #endif /* _HAVE_LOGINREC_H_ */ 138